CN212620002U

CN212620002U - Wet sand drying device for building

Info

Publication number: CN212620002U
Application number: CN202021479387.0U
Authority: CN
Inventors: 马军; 马兵; 丁建超; 白少福
Original assignee: Ningxia Zhufengyuan New Building Materials Co ltd
Current assignee: Ningxia Zhufengyuan New Building Materials Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-02-26
Anticipated expiration: 2030-07-24

Abstract

A wet sand drying device for buildings comprises a combustion chamber, a drying chamber, a sand feeding hopper and a wet sand guiding device, wherein an air outlet of the combustion chamber is communicated with an air inlet of the drying chamber, the sand feeding hopper is positioned at the upper end of the air outlet of the combustion chamber, a discharge port of the sand feeding hopper is communicated with a feed port of the wet sand guiding device, the wet sand guiding device is positioned at the air outlet of the combustion chamber, hot air enters the drying chamber through the wet sand guiding device, the wet sand guiding device comprises a guiding shell and a plurality of wet sand guiding plates, if the upper end of the guiding shell is provided with a wet sand feed port, the front end of the guiding shell is provided with an air sand discharge port, the rear end of the guiding shell is provided with a hot air inlet, the two sides of the wet sand guiding plates are fixedly connected with the guiding shell, the plurality of wet sand guiding plates are distributed on the guiding shell in a stepped mode, the front ends of the wet sand guiding plates are inclined, the green sand falls to the green sand guide plate at the uppermost end from the sand feeding hopper and slides along the green sand guide plate.

Description

Wet sand drying device for building

Technical Field

The utility model relates to a building material processing equipment technical field especially relates to a green sand drying device for building.

Background

There are many kinds of sand such as river sand, yellow sand, etc., which are classified according to their particle sizes, and the sand having different particle sizes is used differently, and the sand used for the construction heat insulating material and the sand used for the cover room are the same, but they are also classified in detail. The sand of the building insulation material has no way to divide them by size when wet through a vibrating screen. Therefore, the sand needs to be dried before being screened. For example, in chinese utility model patent No. 2008201604051, the firing stove among the wet sand drying device, the drum dryer are the straight line and arrange, and feed bin, wet sand conveyer and wet sand lifting machine become another straight line parallel arrangement in proper order on the yellow sand, and the output of wet sand lifting machine is located the feed inlet of drum dryer, and the wet sand directly just gets into the drum dryer, and drying effect is not good.

Disclosure of Invention

In view of the above, it is necessary to provide a drying device for wet sand for construction.

Preferably, the combustion chamber is cylindrical, the combustion chamber is horizontally arranged, the bottom of the combustion chamber is provided with a fixed support to support the combustion chamber, and the rear end of the combustion chamber is provided with a pulverized coal inlet to introduce pulverized coal.

Preferably, the lateral wall of combustion chamber is equipped with the vent, is equipped with air regulation mechanism on the vent to air quantity in the control combustion chamber, air regulation mechanism includes a plurality of air regulation boards, connecting branch, connects the total pole, adjusts pole, adjustment tank, a plurality of air regulation board parallel arrangement are in the vent of combustion chamber, and air regulation board's both ends are equipped with the pivot, and air regulation board's pivot passes the lateral wall of vent and with connecting branch's one end fixed connection, and connecting branch's the other end rotates with connecting the total pole to be connected, and connecting the middle-end of total pole and the one end of adjusting the pole rotate to be connected, and the middle-end of adjusting the pole is equipped with the through-hole, and is corresponding, is equipped with the fixed axle on the outer wall of vent, and the middle-end and the fixed axle cover of adjusting the pole are established and are connected and clearance fit to make the, the adjusting groove is fixed on the outer wall of the ventilation opening of the combustion chamber, and when the adjusting rod is rotated, the connecting main rod drives the connecting supporting rod to rotate, so that the air quantity adjusting plate is driven to rotate, and the air inlet quantity is adjusted.

Preferably, the drying chamber is cylindrical, the drying chamber is connected with an air outlet sleeve of the combustion chamber, tooth tracks are arranged on two sides of the outer wall of the drying chamber, correspondingly, the building wet sand drying device further comprises a driving device to drive the drying chamber to rotate, the driving device comprises a driving platform, a driving motor, a reduction gearbox, a driving gear and a supporting pulley, the upper end of the driving platform is fixedly connected with the machine body of the driving motor, the rotating shaft of the driving motor is fixedly connected with the input end of the reduction gearbox, the output end of the reduction gearbox is fixedly connected with the driving gear, the driving gear is meshed with the tooth tracks of the drying chamber, the supporting pulley is arranged on the driving platform, the supporting pulley is located on two sides of the drying chamber, and the upper end of the supporting pulley is in contact with the outer wall of the drying.

Preferably, the inner wall of drying chamber is equipped with the sand blocking plate to slow down the outflow speed of grit, the sand blocking plate is the heliciform, and the sand blocking plate extends to the exit from the import of drying chamber.

Has the advantages that: the utility model discloses a green sand drying device for building includes combustion chamber, drying chamber, advances sand hopper, green sand guiding device, the air outlet of combustion chamber and the air intake intercommunication of drying chamber, advance sand hopper and be located the upper end of the air outlet of combustion chamber, advance sand hopper's discharge gate and the feed inlet intercommunication of green sand guiding device, green sand guiding device is located the air outlet department of combustion chamber, and hot-blast process green sand guiding device gets into the drying chamber, the green sand guiding device includes guide casing, a plurality of green sand guide board, if the upper end of guide casing is equipped with the green sand feed inlet, the front end of guide casing is equipped with the wind sand discharge gate, and the rear end of guide casing is equipped with hot-blast air intake, and the both sides of green sand guide board and guide casing fixed connection, and a plurality of green sand guide board cascaded distribution are on the guide casing, the front end of green sand guide board, the green sand guide board of the top is located under the discharge gate of advancing sand hopper, the green sand falls to the green sand guide plate at the uppermost end from the sand feeding hopper and slides along the green sand guide plate. Through setting up the wet sand guiding device, can make the wet sand fall along the wet sand guide board, the wet sand is at the in-process that falls down, when the clearance between the wet sand guide board, and the hot-blast that comes from the drying chamber will heat the wet sand and blow in the drying chamber with the wet sand. So, the wet sand just can carry out heat conduction heat transfer and convection heat transfer through hot-blast in-process of whereabouts, has promoted the stoving effect of wet sand.

Drawings

Fig. 1 is the utility model discloses a wet sand drying device for building's schematic structure diagram.

Fig. 2 is a schematic structural view of a preferred angle of the combustion chamber of the wet sand drying device for building of the present invention.

Fig. 3 is a schematic structural view of another preferred angle of the combustion chamber of the wet sand drying device for building of the present invention.

Fig. 4 is a partial structural schematic diagram of fig. 3.

Fig. 5 is a schematic structural diagram of the drying chamber and the driving device of the present invention.

Fig. 6 is a cross-sectional view of the drying chamber and the driving device of the present invention.

In the figure: the wet sand drying device for the building 10, the combustion chamber 20, the air vent 201, the air volume adjusting mechanism 202, the air volume adjusting plate 2021, the connecting support rod 2022, the connecting total rod 2023, the adjusting rod 2024, the adjusting groove 2025, the drying chamber 30, the gear rack 301, the sand blocking plate 302, the sand feeding hopper 40, the wet sand guiding device 50, the guiding shell 501, the wet sand guiding plate 502, the driving device 60, the driving platform 601, the driving motor 602, the reduction gearbox 603, the driving gear 604 and the supporting pulley 605.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Referring to fig. 1 to 6, a wet sand drying device 10 for buildings includes a combustion chamber 20, a drying chamber 30, a sand feeding hopper 40, and a wet sand guiding device 50, wherein an air outlet of the combustion chamber 20 is communicated with an air inlet of the drying chamber 30, the sand feeding hopper 40 is located at an upper end of the air outlet of the combustion chamber 20, a discharge port of the sand feeding hopper 40 is communicated with a feed port of the wet sand guiding device 50, the wet sand guiding device 50 is located at the air outlet of the combustion chamber 20, hot air passes through the wet sand guiding device 50 and enters the drying chamber 30, the wet sand guiding device 50 includes a guiding shell 501 and a plurality of wet sand guiding plates 502, if the upper end of the guiding shell 501 is provided with the wet sand feed port, the front end of the guiding shell 501 is provided with an air sand discharge port, the rear end of the guiding shell 501 is provided with the hot air inlet, two sides of the wet sand guiding plates 502 are fixedly connected with the guiding shell 501, and the plurality, the wet sand guide plate 502 has a downward slope at the front end thereof, the wet sand guide plate 502 at the uppermost end is located under the discharge port of the sand hopper 40, and the wet sand falls from the sand hopper 40 to the wet sand guide plate 502 at the uppermost end and slides down along the wet sand guide plate 502.

After the green sand enters the green sand guide device 50 from the sand inlet hopper 40, the green sand flows downwards along the green sand guide plates 502 due to the downward inclination of the green sand guide plates 502, and when the green sand flows through the gaps between the green sand guide plates 502, the hot air in the horizontal direction heats the green sand and blows a part of the sand into the drying chamber 30, and the rest of the sand continues to flow downwards until all of the sand enters the drying chamber 30. Since the outlet of the combustion chamber 20 is small and the wet sand guide 50 is installed, the flow rate of hot air flowing through the wet sand guide plate 502 is fast, which facilitates the drying of the wet sand. In the drying process, due to the reduction of moisture of the wet sand, the buoyancy of the wet sand in the air is increased, and the retention time in the air is prolonged, so that the wet sand is further dried. Meanwhile, the wet sand guide plate 502 is heated by hot air, and the wet sand is dried when passing through the wet sand guide plate 502.

Further, the combustion chamber 20 is cylindrical, the combustion chamber 20 is horizontally arranged, a fixing support is arranged at the bottom of the combustion chamber 20 to support the combustion chamber 20, and a coal dust inlet is formed in the rear end of the combustion chamber 20 to introduce coal dust.

Further, a ventilation opening 201 is arranged on the side wall of the combustion chamber 20, an air volume adjusting mechanism 202 is arranged on the ventilation opening 201 to control the air volume in the combustion chamber 20, the air volume adjusting mechanism 202 comprises a plurality of air volume adjusting plates 2021, a connecting support rod 2022, a connecting total rod 2023, an adjusting rod 2024 and an adjusting groove 2025, the plurality of air volume adjusting plates 2021 are arranged in the ventilation opening 201 of the combustion chamber 20 in parallel, rotating shafts are arranged at two ends of the air volume adjusting plates 2021, the rotating shaft of the air volume adjusting plate 2021 penetrates through the side wall of the ventilation opening 201 and is fixedly connected with one end of the connecting support rod 2022, the other end of the connecting support rod 2022 is rotatably connected with the connecting total rod 2023, the middle end of the connecting total rod 2023 is rotatably connected with one end of the adjusting rod 2024, the middle end of the 2024 is provided with a through hole, correspondingly, a fixing shaft is arranged on the outer, so that the adjusting rod 2024 can rotate around the fixed shaft, the adjusting rod 2024 is further provided with a slide bar, the slide bar is connected with the adjusting groove 2025 in a clamping manner, the adjusting groove 2025 is fixed on the outer wall of the ventilation opening 201 of the combustion chamber 20, and when the adjusting rod 2024 is rotated, the connecting main rod 2023 drives the connecting supporting rod 2022 to rotate, so as to drive the air volume adjusting plate 2021 to rotate, thereby adjusting the air intake volume.

Further, the drying chamber 30 is cylindrical, the drying chamber 30 is sleeved and connected with the air outlet of the combustion chamber 20, the two sides of the outer wall of the drying chamber 30 are provided with the rack rails 301, correspondingly, the wet sand drying device 10 for buildings further comprises a driving device 60, to drive the drying chamber 30 to rotate, the driving device 60 comprises a driving platform 601, a driving motor 602, a reduction gearbox 603, a driving gear 604 and a supporting pulley 605, the upper end of the driving platform 601 is fixedly connected with the body of the driving motor 602, the rotating shaft of the driving motor 602 is fixedly connected with the input end of the reduction gearbox 603, the output end of the reduction gearbox 603 is fixedly connected with the driving gear 604, the driving gear 604 is meshed with the gear rail 301 of the drying chamber 30, the supporting pulley 605 is arranged on the driving platform 601, the supporting pulley 605 is positioned at two sides of the drying chamber 30, and the upper end of the supporting pulley 605 is contacted with the outer wall of the drying chamber 30 to support the drying chamber 30.

Since the hot air generally flows upward, the hot air introduced into the drying chamber 30 heats the upper side of the drying chamber 30 at a higher rate than the lower side of the drying chamber 30. Through setting up drive arrangement 60, can make drying chamber 30 rotate to make drying chamber 30's whole be heated evenly, help the stoving of wet sand.

Further, the inner wall of the drying chamber 30 is provided with a sand baffle 302 to slow down the outflow speed of the sand, the sand baffle 302 is spiral, and the sand baffle 302 extends from the inlet to the outlet of the drying chamber 30.

During the rotation of the drying chamber 30, the sand will not rotate under the action of gravity and will only slide along the axial direction of the drying chamber 30 under the action of wind force, and the sand travels a straight distance. After the spiral sand baffle 302 is disposed on the inner wall of the drying chamber 30, the sand moves along the spiral direction, and the moving distance is significantly lengthened. At the same time, the flow rate of the sand is slowed down by the obstruction of the sand deflector 302. And the sand baffle plate 302 also has the function of heating sand, so that the drying efficiency is greatly improved after the wet sand enters the drying chamber 30 for drying.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a wet sand drying device for building which characterized in that: the wet sand drying device comprises a combustion chamber, a drying chamber, a sand feeding hopper and a wet sand guiding device, wherein an air outlet of the combustion chamber is communicated with an air inlet of the drying chamber, the sand feeding hopper is positioned at the upper end of the air outlet of the combustion chamber, a discharge hole of the sand feeding hopper is communicated with a feed inlet of the wet sand guiding device, the wet sand guiding device is positioned at the air outlet of the combustion chamber, hot air enters the drying chamber through the wet sand guiding device, the wet sand guiding device comprises a guiding shell and a plurality of wet sand guiding plates, the upper end of the guiding shell is provided with a wet sand feed inlet, the front end of the guiding shell is provided with an air sand discharge hole, the rear end of the guiding shell is provided with a hot air inlet, two sides of the wet sand guiding plates are fixedly connected with the guiding shell, the plurality of wet sand guiding plates are distributed on the guiding shell in a stepped manner, the front ends of the wet sand, the green sand falls to the green sand guide plate at the uppermost end from the sand feeding hopper and slides along the green sand guide plate.

2. The wet sand drying device for buildings according to claim 1, characterized in that: the combustion chamber is cylindrical, the combustion chamber is horizontally arranged, a fixed support is arranged at the bottom of the combustion chamber to support the combustion chamber, and a coal powder inlet is formed in the rear end of the combustion chamber to allow coal powder to enter.

3. The wet sand drying device for buildings according to claim 1, characterized in that: the lateral wall of combustion chamber is equipped with the vent, is equipped with air regulation mechanism on the vent, with the air quantity in the control combustion chamber, air regulation mechanism includes a plurality of air regulation boards, connecting strut, connecting total pole, regulation pole, adjustment tank, a plurality of air regulation board parallel arrangement are in the vent of combustion chamber, and air regulation board's both ends are equipped with the pivot, and air regulation board's pivot passes the lateral wall of vent and with connecting strut's one end fixed connection, and connecting strut's the other end rotates with connecting total pole to be connected, and connecting total pole's middle-end rotates with the one end of adjusting the pole to be connected, and adjusting pole's middle-end is equipped with the through-hole, and is corresponding, is equipped with the fixed axle on the outer wall of vent, adjusts pole's middle-end and fixed axle cover and establishes connection and clearance fit to make the regulation pole rotate round the, the adjusting groove is fixed on the outer wall of the ventilation opening of the combustion chamber, and when the adjusting rod is rotated, the connecting main rod drives the connecting supporting rod to rotate, so that the air quantity adjusting plate is driven to rotate, and the air inlet quantity is adjusted.

4. The wet sand drying device for buildings according to claim 3, characterized in that: the drying chamber is cylindrical, the drying chamber is connected with an air outlet sleeve of the combustion chamber, tooth tracks are arranged on two sides of the outer wall of the drying chamber, correspondingly, the building wet sand drying device further comprises a driving device to drive the drying chamber to rotate, the driving device comprises a driving platform, a driving motor, a reduction gearbox, a driving gear and a supporting pulley, the upper end of the driving platform is fixedly connected with the machine body of the driving motor, the rotating shaft of the driving motor is fixedly connected with the input end of the reduction gearbox, the output end of the reduction gearbox is fixedly connected with the driving gear, the driving gear is meshed with the tooth tracks of the drying chamber, the supporting pulley is arranged on the driving platform, the supporting pulley is located on two sides of the drying chamber, and the upper end of the supporting pulley is in contact with the outer wall of the.

5. The wet sand drying device for buildings according to claim 4, characterized in that: the inner wall of drying chamber is equipped with the sand blocking plate to slow down the outflow speed of grit, the sand blocking plate is the heliciform, and keeps off the import department that the sand blocking plate extends to the exit from the drying chamber.